1054267280 has 80 divisors (see below), whose sum is σ = 2681078400. Its totient is φ = 382356480.

The previous prime is 1054267271. The next prime is 1054267327. The reversal of 1054267280 is 827624501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1054267280² = 2222958995357196800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054267280.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384956 + ... + 387684.

It is an arithmetic number, because the mean of its divisors is an integer number (33513480).

Almost surely, 2^1054267280 is an apocalyptic number.

1054267280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054267280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340539200).

1054267280 is an abundant number, since it is smaller than the sum of its proper divisors (1626811120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054267280 is a wasteful number, since it uses less digits than its factorization.

1054267280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1054267280 is about 32469.4822872186. The cubic root of 1054267280 is about 1017.7713998119.

The spelling of 1054267280 in words is "one billion, fifty-four million, two hundred sixty-seven thousand, two hundred eighty".